Single user pod implementation for new login screen

ui/login/account_picker/md_screen_account_picker.js

Index: ui/login/account_picker/md_screen_account_picker.js
diff --git a/ui/login/account_picker/md_screen_account_picker.js b/ui/login/account_picker/md_screen_account_picker.js
index 1db4ae69288300816650d1b984eccca5fcd7cfa6..c156d0e9bf98038030bd3f833ef0e6c390400c95 100644
--- a/ui/login/account_picker/md_screen_account_picker.js
+++ b/ui/login/account_picker/md_screen_account_picker.js
@@ -198,20 +198,18 @@ login.createScreen('AccountPickerScreen', 'account-picker', function() {
 
         var bubbleAnchor;
         var attachment;
-        if (activatedPod.pinContainer) {
-          // Anchor the bubble to the input field.
-          bubbleAnchor = (
-              activatedPod.getElementsByClassName('auth-container'))[0];
-          if (!bubbleAnchor) {
-            console.error('auth-container not found!');
-            bubbleAnchor = activatedPod.mainInput;
-          }
+        // Anchor the bubble to the input field.
+        bubbleAnchor =
+            activatedPod.getElementsByClassName('auth-container')[0];
+        if (!bubbleAnchor) {
+          console.error('auth-container not found!');
+          bubbleAnchor = activatedPod.mainInput;
+        }
+        if (activatedPod.pinContainer &&
+            activatedPod.pinContainer.style.visibility == 'visible')
           attachment = cr.ui.Bubble.Attachment.RIGHT;
-        } else {
-          // Anchor the bubble to the pod instead of the input.
-          bubbleAnchor = activatedPod;
+        else
           attachment = cr.ui.Bubble.Attachment.BOTTOM;
-        }
 
         var bubble = $('bubble');